PM54-470L Inductors, Coils, Chokes

DC Resistance (DCR):	370 mOhm
Height - Seated (Max):	0.189" (4.80mm)
Size / Dimension:	0.228" L x 0.228" W (5.80mm x 5.80mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	2.52MHz
Operating Temperature:	-30°C ~ 100°C
Ratings:	--
Frequency - Self Resonant:	13MHz
Q @ Freq:	--
Series:	PM54
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	720mA
Tolerance:	±15%
Inductance:	47µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Fixed Inductors

An inductor, also called a coil, choke, or reactor, is an electrical component that stores energy in the form of a magnetic field when electric current flows through it. The PM54-470L is a type of inductor that is fixed and has a defined inductance value. This article will look into its application field and working principle.

Application Field

The PM54-470L is commonly used in high-frequency filter circuits and communication equipment. It is ideal for use in frequency dividers, oscillators, FM receivers, and high frequency amplifiers. Due to its wide operating temperature range, it can be used in extreme temperature applications as well.

Working Principle

The PM54-470L inductor works on the principle of electromagnetic induction. The inductor is made up of two coils of wire that form the primary and secondary windings. When an alternating current flows through the primary winding, it creates an alternating magnetic flux. This magnetic flux, in turn, induces an electromotive force (EMF) in the secondary winding which flows through the external circuit and produces an electric current.The size and the number of turns of the windings determine the inductance of the inductor. When the current through the primary winding is reduced, the inductor produces a back EMF, also known as counter-electromotive force (CEMF), in the secondary winding. This CEMF opposes the source voltage and produces a magnetic field that opposes the current in the primary winding. In other words, the inductor tends to resist a change in current.

Conclusion

The PM54-470L is a type of fixed inductor that is commonly used in high-frequency filter circuits and communication equipment. It works on the principle of electromagnetic induction, in which an alternating current in the primary winding induces an electromotive force in the secondary winding which flows through the external circuit and produces an electric current. The size and the number of turns of the windings determine the inductance of the inductor. It is ideal for use in frequency dividers, oscillators, FM receivers, and high frequency amplifiers.

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